Related Post: F 1 )=- 2 F 3 )= 4 1 2 F 3 4 M F 1 2 3 4 5 F 1 F 2 F 3 F 4 Represent F 1 2 3 4 5 6 F 1 )= 1 F 2 )= 4 F 3 )= 9 F X )= 1 2 X 3 Find F 4 2 1 4 F F 3 4f 3